Menu

NGC 2587 — Open Cluster in Puppis

Open Cluster Good (45/100)
Magnitude 9.0m OpenCluster Puppis (Pup) Visible
Star Map
+ List + Plan Star Hop

Observe

1Properties

Magnitude 9.0
Angular Size 6.0′
Cl, pmCM, iF, st 9...13

Position & Identifiers

RA 08h 23m 24.1s
Dec -29° 30' 31.3"
Constellation Puppis (Pup)
Catalog NGC 2587

2How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Medium+
150mm Newt. Easy Easy Easy
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Easy on Seestar S50

3Visibility

Set a location in User Settings to see visibility data.

Best season Dec – Feb (peak: Jan)

4 Eyepiece View

Log in to set your own equipment
125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2587 · 6.0′ diameter

5 Best Magnification

Explore

6 Classification Decoder

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

NGC 2580
Easy
Open cluster
Open Cluster mag 10.0 0.9° Puppis
NGC 2571
Easy
Open cluster
Open Cluster mag 7.0 1.0° Puppis
NGC 2567
Easy
Open cluster
Open Cluster mag 7.4 1.5° Puppis
NGC 2627
Easy
Open cluster
Open Cluster mag 8.0 3.0° Pyxis
IC 2311
Medium+
Elliptical galaxy
Galaxy mag 11.52 4.3° Puppis
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

Puppis
Mythology, bright stars, and deep-sky highlights.
Constellation
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
Article
Saturn
Rings, divisions, and the jewel of the outer Solar System.
Deep dive
}